61891580

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{12329}}^1$

素因数の和:12589

約数の個数: 24

約数和(自身を含む): 130500720

約数和(自身を除く): 68609140

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 12329, 24658, 49316, 61645, 123290, 246580, 3094579, 6189158, 12378316, 15472895, 30945790, 61891580]

約数ペア:

[(1, 61891580), (2, 30945790), (4, 15472895), (5, 12378316), (10, 6189158), (20, 3094579), (251, 246580), (502, 123290), (1004, 61645), (1255, 49316), (2510, 24658), (5020, 12329)]